You agreed to a 1 year contract - When you 'click to agree' to the subscription terms while buying a subscription, that means that you really do need to read BEFORE you enter your credit card number to buy a subscription... See this page for more information, including a yellow highlited section from the subscription page https://community.adobe.com/t5/account-payment-plan/cancellation/m-p/12153645
So if you cancel early you pay 1/2 of the remaining time
You can plead your case here and see if they will allow it:
Adobe Customer Service (make sure to sign in to your Adobe account first and allow popups on your browser) : https://helpx.adobe.com/contact.html?rghtup=autoOpen will automatically open the chat window. Type "Agent" in the chat box to bypass the chatbot and be connected to a person.